Derrick Has Become Friends with Jalen

Multiple Choice

Derrick has become friends with Jalen. Derrick is uncomfortable talking to women he doesn't know, but Jalen is quite comfortable with it. This plays to Derrick's advantage, since he wants to talk to women, despite his discomfort. From what we know, what is the most likely reason they are friends?

A) Similarity
B) Complementarity
C) Mutual liking
D) Self-disclosure